API 598 II Clauses II Valve Inspection & testing

In this video session, we are going to discuss about various clauses of API 598. Following things shall be dicussed.

Inspection, Examination, and Supplementary Examination

ØInspection at the Valve Manufacturer’s Plant

ØInspection Outside the Valve Manufacturer’s Plant

ØInspection Notice

ØExtent of Inspection

ØExamination

ØSupplementary Examination

Pressure Tests & Pressure test Procedure:

ØTest Location

ØTest Equipment

ØTests Required

ØHigh-pressure Closure Test

ØHigh-pressure Pneumatic Shell Test

ØTest Fluid

ØTest Pressures

ØTest Duration

ØTest Leakage

Comparison between Various international standards

ØAPI 598

ØASME 16.34

ØAPI 6D

ØISO 5208

ØAPI 600

ØDIN EN 12266

ØMSS SP-61

FAQs: Frequently asked Questions

Following questions have been answered in detail in the course:

1. What is the difference between API 598 and API 6D?

Answer : For low-pressure closure tests, the test medium for API 598 is air or inter gas, whereas the test medium for API 6D is air or nitrogen. Many more differences have been explained in the course.

2. What is api598?

Answer: API 598 covers the inspection, examination, and testing requirements for resilient-seated, non-metallic-seated, and metal-to-metal-seated gate, glove, plug, ball, check, and butterfly valves.

3. What is API standard for valves?

Answer: API – American Petroleum Institute is the national trade association that represents all aspects of America’s oil and natural gas industry.

4. How do you perform a valve test?

Answer: The valve seat tests procedure involves placing a valve under pressure, then measuring the amount of leakage on the other side of the valve.

5. What is the latest edition of API 598?

Answer: As on Sep 2022, latest edition is 10th Edition, October 2016. Published Date: October 2016.

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